Allison 250-C30

Service difficulty reports · 402

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = '250C30'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR ALGA097279Bearing · damagedTAIL ROTOR BEARING HAS FLAT SPOTS ON NEEDLE ROLLERS. REPLACED W/NEW PART BY OVERHAUL SHOP.Sep 7, 2004 · N265AL · Bell 206L4 · Tail Rotor HeadSDR ALGA097281Trunnion · corrodedTAIL ROTOR TRUNNION HAS CORROSION DAMAGE ON SPLINES. REPLACED W/SERVICEABLE HOUSING BY OVERHAUL SHOP.Sep 7, 2004 · N265AL · Bell 206L4 · Tail Rotor HeadSDR CA040902003Fitting · cracked(CAN) TAIL BOOM FITTINGS P/N 206-031-403-001 AND 206-032-409-001 LT SIDE TOP AND BOTTOM CRACKED.Aug 12, 2004 · Bell 206L4 · Rotorcraft Tail BoomSDR ALGA096402Blade · separatedFOUND CORROSION AND SEPARATION AT SKIN/SPAR INTERFACE NEAR LOWER OB GRIP FINGER DOUBLER. REMOVED AND REPLACED DEFECTIVE BLADE WITH NEW BLADE. SCRAPPED DEFECTIVE BLADE.Jul 20, 2004 · N361AL · Bell 206L3 · Main Rotor BladesSDR ALGA096566Blade · debondedLOWER SURFACE OB GRIP FINGER DOUBLER DEBONDED. FOUND CORROSION BETWEEN SKIN AND SPAR. REPLACED UNIT W/NEW BLADE.Jul 20, 2004 · N175AL · Bell 206L4 · Main Rotor BladesSDR ALGA095538Gear · nickedON INSTALLATION OF T/M GEAR FOUND NICKS ON EDGE OF GEAR TEETH CAUSING ABNORMAL NOISE WHEN SPINNING WITH PINION GEAR. SENT TO VENDOR FOR WARRANTY.Jun 23, 2004 · Clark 1000CLARK · Accessory GearboxesSDR HEEA096020Wire · burnedNR 2 ENGINE HAD RUNAWAY BEEP CAUSING A 30 PERCENT TORQUE SPLIT. RETARDED NR 2 THROTTLE TO 38 PERCENT TORQUE AND LANDED. MAINTENANCE FOUND THE WIRES FOR THE NR 2 NS BEEP MOTOR RUNNING BETWEEN CONNECTORS P314 AND P104 TO BE BURNED AND CHAFED AT FUSELAGE STATIOJun 14, 2004 · N22342 · Skrsky S76A · Engine Indicating System WiringSDR YTRR095305Fuel Control · malfunctionedCOULD NOT SHUT DOWN AIRCRAFT AFTER THROTTLE WAS CLOSED.Jun 13, 2004 · N52192 · Bell 206L4 · Fuel Controlling SystemSDR HEEA096021Wire · damagedNR 2 ENGINE N2 BEEP UNCONTROLLABLE CAUSING 30 PERCENT TORQUE SPLIT. RETARDED NR 2 THROTTLE TO A SETTING OF 38 PERCENT AND LANDED. MAINTENANCE FOUND BAD WIRING IN THE COPILOT COLLECTIVE STICK. REWIRED THE COLLECTIVE STICK AND REPLACED THE GOVERNOR SWITCH.Jun 12, 2004 · N22342 · Skrsky S76A · Rotors Flight Control System WiringSDR AUS20040440Stiffener · cracked(AUS) RT FORWARD ENGINE MOUNT STIFFENER CRACKED THROUGH. CRACK MIGRATED INTO LATERAL FRAME AT STN 155.May 26, 2004 · Bell 206L3 · Engine Mount SectionSDR ALGA094690Tach Generator · wornFOUND SPLINES INSIDE ARMATURE AND ON DRIVSHAFT WORN. DISCREPANCY FOUND ON 900 HR INSPECTION. RETURNING PART TO VENDOR FOR WARRANTY.May 21, 2004 · N266AL · Bell 206L4 · Main Rotor GearboxSDR CA040526004Case · corroded(CAN) A DOZEN STUD HOLES FOUND DEEPLY CORRODED AND NEEDED SPECIAL REPAIR IAW MFG INSTRUCTIONS. THE CORROSION IS CAUSED BY DISSIMILAR METALS AND MOISTURE. MFG CANNOT SOLVE THE PROBLEM DEFINITELY BUT SUGGEST METHODS TO SLOW IT DOWN AND DIMINISH DAMAGE TO CASE.May 20, 2004 · Bell 206L4 · Main Rotor GearboxSDR AUS20040386Gear · failed(AUS) MAIN ROTOR TRANSMISSION INPUT PINION GEAR FAILED. GEAR TEETH STARTING TO BREAK DOWN WITH DISTINCT WEAR PATTERN AND PITTING ON THE FLANK OF ALL GEAR TEETH AND ADVANCED BREAKING DOWN OF SOME OF THE TEETH. METAL CONTAMINATION OF TRANSMISSION.May 4, 2004 · Bell 206L1 · Main Rotor GearboxSDR ALGA094285Gear · spalledFOUND SPALLING AND GALLING ON PINION GEAR TEETH. SENT TO VENDOR FOR WARRANTY CREDIT.Apr 28, 2004 · N519AL · Skrsky S76A · Turbine Engine Reduction GearSDR ALGA094257Turbine Wheel · out of toleranceFLOW AREA ON THIS PART IS BELOW MIN. FLOW OF 5.770. ACTUAL: 5.74 RETURNED PART TO VENDOR FOR WARRANTY CREDIT.Apr 26, 2004 · Clark 1000CLARK · Turbine SectionSDR YTRR094256Bushing · wornWORN BUSHING ON RESTRAINT MOUNT AT LATERAL SPRING ATTACH POINT.Apr 24, 2004 · N52192 · Bell 206L4 · Main Rotor Transmission MountSDR YTRR094255Bushing · wornWORN BUSHINGS ON RESTRAINT MOUNT AT LATERAL SPRING ATTACH POINTS.Apr 22, 2004 · N52192 · Bell 206L4 · Main Rotor Transmission MountSDR 2004FA0000308Swashplate · incorrectRECEIVED SWASHPLATE ASSY FROM VENDOR OVERHAUL SHOP. DURING INSTALLATION FOUND LEVER (PN 206-010-467-001) WAS INSTALLED UP-SIDE-DOWN. ALSO FOUND SHIMS (PN 206-010-463-005) WERE NET STACKED EVENLY. PROBABLE CAUSE: WORKMANSHIP AND QA PROBLEM.Apr 13, 2004 · N383SH · Bell 206L3 · Main Rotor HeadSDR HEEA094159Seal · leakingNR 1 HYDRAULIC LIGHT ILLUMINATED DURING CRUISE FLIGHT FOLLOWED BY FLUCTUATING PRESSURE. SHUT DOWN NR 1 HYDRAULIC SYSTEM. MAINTENANCE FOUND NR 1 HYDRAULIC PUMP DRIVE SHAFT SEAL LEAKING AND NR 1 HYDRAULIC PUMP PRESSURE HOSE RUPTURED. REPLACED NR 1 HYDRAULIC PApr 3, 2004 · N22342 · Skrsky S76A · Hydraulic Pump (Electric/Engine), MainSDR HEEA094158Starter Gen · failedDURING CRUISE FLIGHT, NR 2 DC GENERATOR LIGHT ILLUMINATED. PILOT FOLLOWED AIRCRAFT EMERGENCY CHECKLIST FOR SINGLE DC GENERATOR FAILURE AND LANDED AIRCRAFT. MAINTENANCE REPLACED NR 2 STARTER GENERATOR.Apr 1, 2004 · N911RC · Bell 230 · Starter-GeneratorSDR ALGA093730Blade · corrodedTRAILING EDGE EXTRUSION HAS AREA APPROX. 5.Mar 11, 2004 · N272M · Bell 206L1 · Main Rotor BladesSDR ALGA093732Blade · corrodedMAIN ROTOR BLADE TRAILING EDGE EXTRUSION EXFOLIATED AT STA. 98 AND 130. DAMAGE IS CONSIDERED A MATERIAL DEFECT.Mar 11, 2004 · N175AL · Bell 206L4 · Main Rotor BladesSDR HEEA093676Engine · malfunctionedDURING CRUISE FLIGHT NR 2 ENGINE TORQUE DROPPED TO 10 PERCENT AND NR 1 ENGINE TORQUE ROSE TO 99 PERCENT. ROTOR RPM DECREASED TO 104 PERCENT. MAINTENANCE REPLACED THE NR 1 ENGINE ASSEMBLY.Feb 18, 2004 · N22342 · Skrsky S76A · Engine (Turbine/Turboprop)SDR HEEA093673Oil Cooler · crackedIN CRUISE FLIGHT, THE NR 2 ENGINE OIL TEMPERATURE ROSE TO THE RED LINE. SECURED ENGINE AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AFT JUNCTION OF THE OIL COOLER BLOWER DUCT CRACKED AND SPLIT OPEN.Feb 8, 2004 · N22342 · Skrsky S76A · Engine Oil CoolerSDR AC2A093322Servo · brokenPILOT VALVE INPUT ROD TURN BARREL HAD BROKEN RETAINING BOLT. THIS ENABLED THE BARREL TO TURN WHICH COULD ALTER THE SERVO TIMING. REPLACED MAIN ROTOR ASSEMBLY.Jan 20, 2004 · N7266K · Skrsky S76A · Rotorcraft Servo SystemSDR HEEA092085Fuel Control · failedNR 2 ENGINE HAD HIGH SIDE GOVERNOR FAILURE. MAINTENANCE REPLACED THE FUEL CONTROL UNIT.Dec 10, 2003 · N22342 · Skrsky S76A · Fuel Control/Turbine EnginesSDR AUS20031106Armature · faulty(AUS) STARTER-GENERATOR ARMATURE LOST MAGNETISM.Oct 26, 2003 · Bell 206L3 · Starter-GeneratorSDR 2003FA0001089Bolt · burnedDURING A SCHEDULED INSPECTIOM FOUND PRIMARY ELECTRICAL CABLE, P6D000, IN BATTERY COMPARTMENT TO HAVE A BURNED AREA ADJACENT TO RT BATTERY HOLD DOWN BOLT. MFG, STC SH297NM HAS BEEN INSTALLED ON THIS AIRCRAFT. THE BURNED AREA WAS CAUSED BY HEAVY CONTACT OF THE POct 23, 2003 · N9107G · Bell 206L3 · Battery Box StructureSDR BAQA090021Bearing · wornISOLATION MOUNT BEARING OUT OF LIMITS.Oct 17, 2003 · N870SF · Bell 230 · Main Rotor Transmission MountSDR HEEA090146Wire Harness · damagedDURING APPROACH, DID NOT GET A GREEN LIGHT FOR NOSE GEAR. ABORTED LANDING. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED DOWN LOCK HARNESS.Sep 30, 2003 · N1546G · Skrsky S76A · Landing Gear System WiringSDR 2003FA0001049Exhaust Stack · crackedTHE EXHAUST STACK HAD TO BE REPAIRED SEVERAL TIMES SINCE 400.0 HOURS SINCE NEW. NOW THE AC HAS 1627.3 HOURS TT. SERVICE REPORTS WAS DONE TO MFG SINCE 12-2000. IN 3 OCCASIONS THE MFG SENT THE EXHAUST PN 369D2860501 FOR REPLACEMENT, BUT IT DID NOT FIT INTO THSep 28, 2003 · N5841Z · Hughes 369FF · Engine Collector/Tailpipe/NozzleSDR 2003FA0001062Exhaust Stack · crackedTHE EXHAUST STACK HAD TO BE REPAIRED SEVERAL TIMES SINCE 400.0 HOURS SINCE NEW. NOW THE HELICOPTER HAS 1568.2 HOURS TAT. IN 3 OCCASIONS THE MFG SENT THE EXHAUST PIN 369D2860-501 FOR REPLACEMENT BUT IT DID NOT FIT INTO THE HELICOPTER. IN MEAN TIME, PART CONTSep 24, 2003 · N5842Z · Hughes 369FF · Engine Collector/Tailpipe/NozzleSDR ALGA089062Nozzle · mismanufacturedOMEGA RING GROOVE MEASURED AT .021 INCH BELOW SERVICABLE LIMIT OF .100 RETURNED PART TO VENDOR FOR WARRANTY CREDIT.Sep 9, 2003 · Clark 1000CLARK · Fuel Injector NozzleSDR ALGA089030Coupling · galledN1 COUPLING FOUND TO HAVE INTERNAL SPLINES GALLED ON INSPECTION.Sep 8, 2003 · Clark 1000CLARK · Turbine SectionSDR ALGA088970Fuel Nozzle · defectiveNEW PART CAUSED FUEL NOZZLE TO STREAK ON FINAL TEST AFTER INSTALLATION. REMOVED AND REPLACED.Sep 5, 2003 · Clark 1000CLARK · Fuel Injector NozzleSDR ALGA089012Coupling · galledN1 COUPLING FOUND TO HAVE INTERNAL SPLINES GALLED. RETURNING PART TO VENDOR FOR WARRANTY CREDIT.Sep 5, 2003 · Clark 1000CLARK · Turbine SectionSDR ALGA089015Coupling · defectiveN1 COUPLING FOUND TO HAVE INTERNAL SPLINES DAMAGED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.Sep 5, 2003 · Clark 1000CLARK · Turbine SectionSDR ALGA089016Coupling · galledN1 COUPLING FOUND TO HAVE SPLINES GALLED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.Sep 5, 2003 · Clark 1000CLARK · Turbine SectionSDR ALGA089023Coupling · galledN1 COUPLING FOUND TO HAVE SPLINES GALLED ON INSPECTION. RETURNED PART TO VENDOR FOR WARRANTY CREDIT.Sep 5, 2003 · Clark 1000CLARK · Turbine SectionSDR 2003FA0000963Fitting · crackedDURING A ROUTINE INSPECTION THE UPPER LEFT HAND TAIL BOOM ATTACH FITTING WAS FOUND TO HAVE A CRACK EMANATING FROM THE FASTENER HOLES WHICH ATTACH THE FITTING TO THE ADJACENT STRUCTURE.Aug 7, 2003 · N999AH · Bell 206L3 · Rotorcraft Tail BoomSDR HEEA088561Valve · malfunctionedVALVE WOULD NOT CYCLE. SHOP REPAIR.Jul 31, 2003 · N6610C · Bell 206L3 · Fuel Controlling SystemSDR HEEA087824Arm · stickingBOTH ARMS STICK IN THE DOWN POSITION. REPLACED WITH SERVICEABLE PART.Jun 24, 2003 · N4835 · Bell 206L3 · Main Rotor HeadSDR HEEA087812Relay · malfunctionedSTARTER RELAY STICKS CLOSED. TO BE SENT TO VENDOR.Jun 22, 2003 · N42EA · Bell 206L3 · Engine StarterSDR HEEA087245Exciter · inoperativeEXCITER, INOPERATIVE. TO BE SENT TO VENDOR FOR REPAIR.Jun 10, 2003 · N41791 · Bell 206L3 · ExciterSDR HEEA087246Gyro · precessesDIRECTIONAL GYRO PRECESSES. SHOP REPAIR.Jun 10, 2003 · N129MR · Bell 206L3 · Directional Gyro and Indicating SystemSDR AC2A087916Valve · defectivePART IS DEFECTIVE.THE GREEN ANTI -ICE ADVISORY LIGHT WAS REMAINING ON REGARDLESS OF SWITCH POSITION. THE ANTI -ICE SOLENOID VALVE WAS REPLACED BUT DID LIGHT REMAINED ON. THE ANTI-ICE SOLENOID WAS REPLACED AGAIN AND THE PROBLEM WAS CURED. SOLENOID WAS REPLACED.Jun 2, 2003 · N7266K · Skrsky S76A · Engine Anti-Icing SystemSDR AC2A086766Filter Housing · brokenDURING SCHEDULED FILTER REPLACEMENT THE SPRING CLIP RETAINER WAS FOUND BROKEN AND FELL OUT OF THE HOUSING IN PIECES WHEN THE FILTER WAS REMOVED. FILTER HOUSING WAS REPLACED.May 29, 2003 · N7266F · Skrsky S76A · Aircraft Fuel Filter/StrainerSDR HEEA086547Seal · leakingSEAL LEAK ON TEST CELL RUN. INSPECTION OF PART REVEALED SEAL SPLIT. INSTALLED NEW SEAL.May 22, 2003 · Clark 1000CLARK · Turbine Engine Accessory DriveSDR AC2A086761Ring · brokenDURING FUEL FILTER CHANGE, RETAINING RING INSIDE FUEL FILTER HOUSING CAME OUT IN SEVERAL PIECES. REPLACED FILTER HOUSING AND RETAINING RING.May 22, 2003 · N7266F · Skrsky S76A · Aircraft Fuel Filter/StrainerSDR CA030509002Shim · missing(CAN) A GEARBOX WAS DISASSEMBLED FOR INSPECTION DUE TO REPORT OF LOW OIL PRESSURE. 4 OF 8 SMALL SCREWS USED TO RETAIN A REPAIR SHIM WERE FOUND MISSING. THE REPAIR SHIM WAS LOCATED UNDER THE TORQUEMETER AND JOURNAL FLANGED SUPPORT. REPAIR SHIM WAS LIKELY USEApr 23, 2003 · Turbine Engine Reduction Gear
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